mcp320x.h

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#ifndef MCP320X_H_
#define MCP320X_H_
 
#include <adc.h>
#define ADC_PRV
#include <adc_prv.h>
#include <spi.h>
#include <FreeRTOS.h>
#include <task.h>
extern const struct adc_ops mcp320x_adc_ops;
struct adc_mcp320x_controller {
        struct hal gen;
        struct adc_mcp320x *channels[16];
        struct spi_slave *slave;
        
};
struct adc_mcp320x {
        struct adc_generic gen;
        struct adc_mcp320x_controller *adcc;
        uint32_t bits;
        uint32_t ticks;
        uint32_t channelID;
        bool running;
        OS_DEFINE_TASK(task, 500);
        bool (*callback)(struct adc *adc, uint32_t channel, int32_t value, void *data);
        void *data;
};
 
#define ADD_MCP320X_CHANNEL(ID, _channelID) \
        struct adc_mcp320x mcp320x_##ID##_##_channelID = { \
                ADC_INIT_DEV(mcp320x) \
                HAL_NAME("TI MCP320x " #ID "Channel " #_channelID) \
                .adcc = &mcp320x_##ID, \
                .channelID = _channelID, \
        };\
        ADC_ADDDEV(mcp320x, mcp320x_##ID##_##_channelID)
 
void *mcp320x_controller_init(uint32_t index);
int32_t mcp320x_connect(void *ac, struct spi *spi, uint8_t cs, uint16_t gpio, uint32_t baudrate);
 
#define ADD_MCP320X(ID) \
        extern struct adc_mcp320x_controller mcp320x_##ID;\
        ADD_MCP320X_CHANNEL(ID, 0); \
        ADD_MCP320X_CHANNEL(ID, 1); \
        ADD_MCP320X_CHANNEL(ID, 2); \
        ADD_MCP320X_CHANNEL(ID, 3); \
        ADD_MCP320X_CHANNEL(ID, 4); \
        ADD_MCP320X_CHANNEL(ID, 5); \
        ADD_MCP320X_CHANNEL(ID, 6); \
        ADD_MCP320X_CHANNEL(ID, 7); \
        ADD_MCP320X_CHANNEL(ID, 8); \
        ADD_MCP320X_CHANNEL(ID, 9); \
        ADD_MCP320X_CHANNEL(ID, 10); \
        ADD_MCP320X_CHANNEL(ID, 11); \
        ADD_MCP320X_CHANNEL(ID, 12); \
        ADD_MCP320X_CHANNEL(ID, 13); \
        ADD_MCP320X_CHANNEL(ID, 14); \
        ADD_MCP320X_CHANNEL(ID, 15); \
        struct adc_mcp320x_controller mcp320x_##ID = { \
                HAL_NAME("TI MCP320x " #ID) \
                .channels = { \
                        &mcp320x_##ID##_0, \
                        &mcp320x_##ID##_1, \
                        &mcp320x_##ID##_2, \
                        &mcp320x_##ID##_3, \
                        &mcp320x_##ID##_4, \
                        &mcp320x_##ID##_5, \
                        &mcp320x_##ID##_6, \
                        &mcp320x_##ID##_7, \
                        &mcp320x_##ID##_8, \
                        &mcp320x_##ID##_9, \
                        &mcp320x_##ID##_10, \
                        &mcp320x_##ID##_11, \
                        &mcp320x_##ID##_12, \
                        &mcp320x_##ID##_13, \
                        &mcp320x_##ID##_14, \
                        &mcp320x_##ID##_15, \
                }, \
        }; \
        HAL_ADDDEV(hal, mcp320x, mcp320x_##ID)
 
#define MCP320X_ID(ID) HAL_GET_ID(hal, mcp320x, mcp320x_##ID)
#define MCP320X_ID_CHANNEL(ID, _channelID) HAL_GET_ID(adc, mcp320x, mcp320x_##ID##_##_channelID)
#endif